Exam 18: Global Climate

An infamous cold spell often linked to volcanic activity occurred during the year 1816, which has come to be known as ____.

When all of the Milankovitch cycles are taken into account, the present trend should be toward ____ over high latitudes of the Northern Hemisphere.

As Earth rotates on its axis, it wobbles like a spinning top, and this wobble, is known as the eccentricity of Earth's axis.

Although we often think of sea level as being a fixed height around the world, it can actually vary by more than 30 cm (12 in.)based on natural processes.

Everything else being equal, the more CO₂ in the atmosphere, the ____.

Ice core data from Greenland reveal that rapid shifts in climate (from ice age conditions to a much warmer state)took place in as little as ____ over central Greenland around the end of the Younger Dryas.

An example of a ____________________ mechanism is the snow-albedo feedback, in which an increase in global surface air temperature might cause snow and ice to melt in polar latitudes.

If the number of sulfate aerosols inside a cloud should increase, the cloud would have to share its available moisture with the added nuclei, and ____ cloud droplets would be produced.

Throughout much of Earth's history, the global climate was probably ____ it is today.

The volcanic eruptions having the greatest impact on climate are those rich in ____________________ gases.

During the Little Ice Age, ____.

What is radiative equilibrium and how is it influenced by greenhouse gases?

In an attempt to mitigate the impact humans have on the climate system, representatives from 160 countries met to work out a formal agreement, called the ____, to limit greenhouse gas emissions in industrialized nations.

Warm periods that occur between glacial advances are referred to as ____________________.

The ____ represents a time about 12,000 years ago when northeastern North America and northern Europe reverted to glacial conditions.

Earth's atmosphere is in a warming trend that began around the turn of the ____________________century.

Explain how the changing climate influenced the formation of the Bering land bridge, and how this affected migration of humans and animals.

Presently, glaciers cover ____ of Earth's surface.

In the chemical weathering-CO₂ feedback, as chemical weathering increases, ____.

In mid-2017, the United States announced its intention to withdraw from the ____ Agreement, a climate agreement that was introduced in 2015 and adopted by virtually every one of the world's nations.